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WorksheetsChemical Bonding : Chemistry Chapter 4
Total questions: 22
Worksheet time: 27mins
Which of the following compounds has a low melting point?
lithium oxide
aluminum chloride
sulfur dioxide
potassium sulfide
Element X has 12 protons while element Y has 17 protons. Which statement is correct when element X and element Y bonded together and formed a compound?
The compound is gas at room temperature.
The compound can conduct electricity.
The compound has low melting point.
The compound requires less heat to break the bonds on it.
How many electrons are shared in a molecule of bromine?
(a)
Calcium oxide is produced when calcium and oxygen bonded together. Which of the following is correct?
Calcium gains two electrons.
Calcium loses two electrons.
Calcium shares two electrons.
Calcium loses two protons
Which of the following is an example of chemical change?
burning of paper
chopping of wood
smashing a car's windshield
mixing salt and water
Which of the following is NOT a property of graphite?
macromolecule
conducts electricity
low melting point
used as a lubricant
In a compound aluminum oxide, one element will lose electrons while the other element will gain electrons. Which element will gain electrons?
(a)
Which is the correct symbol of oxygen ion?
A. O2-
B. O2+
C. O6+
D. O6-
Write the letter of the correct answer.
(a)
Explain why diamond has a high melting and boiling point. [3]
Sodium chloride is formed when sodium ion reacts with chloride ion. Describe how the bond is formed between sodium and chlorine. [2]
Explain why graphite is used as a lubricant. [1]
Diamond is an allotrope of carbon and forms a tetrahedral structure when bonded together. Name an element from the periodic table that would have the same structure as diamond?
(a)
Using the periodic table, name two elements from period 3 that can form an ionic compound when bonded together.
Which of the following elements is bonded with sulfur to produce a compound that can conduct electricity when it is molten?
oxygen
neon
carbon
sodium
Which of the following elements will not bond with oxygen to produce a compound?
carbon
silicon
argon
hydrogen
Which of the following will react with aluminum to produce a compound of type XY3?
oxygen
nitrogen
carbon
chlorine
Which of the following is NOT a feature or property of ionic compound?
crystalline solid at room temperature
high melting point and boiling point
metal gains electrons
involves the transfer of electron/s
Which two elements will form a covalent bond?
S and P
Q and R
T and O
N and P
P and Q
What is the correct label for X?
(a)
Explain why alloys can conduct electricity [1]
From the diagram, state one labelled element that can form ionic bond with bromine.
(a)
Tick all options that can conduct electricity
diamond
graphite
silicon(IV) oxide
alloy
methane
